#51

Base Set · English

Koffing

Koffing [Foul Gas]

✦ Common ❤️ 50 HP ● Grass Basic

✨ Mavi AI quick take

This Common Grass-type Pokémon comes from Base Set with 50 HP. Foul Gas is its biggest listed hit at 10 damage, making that the move to watch. Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning. Generated from the verified card fields shown on this page.

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Price snapshot

Cardmarket guide · EUR
Updated 23 Jul 2026

Trend price€0.69

From€0.02

Average€0.74

Holo trend€0.20

Finish	Average	Low	Trend	1 day	7 days	30 days
Standard	€0.74	€0.02	€0.69	€0.28	€0.66	€0.73
Holo / reverse	—	—	€0.20	€0.20	€0.11	€0.11

Today

€0.28

7-day avg

€0.66

30-day avg

€0.73

Trend

€0.69

Guide prices can change and may differ by condition, language, seller, grading, and delivery cost. Always check the live listing with a parent or guardian before buying.

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Card facts

Useful details at a glance

SetBase Set

Card number51 / 102

RarityCommon

IllustratorMitsuhiro Arita

CategoryPokemon

TypeGrass

WeaknessPsychic ×2

ResistanceNone listed

Retreat cost1 energy

Released9 Jan 1999

StageBasic

Evolves from—

Printed levelNot printed on this card

Weight1 kg

Card subtypeBasic

Available finishesNormal

Regulation markNot used / not listed

Pokédex number109

Cardmarket product273746

Metacard ID338931

TCGplayer ID42395

Image filename338931_Koffing-Foul-Gas.webp

Image pathimages/338931_Koffing-Foul-Gas.webp

Image sourceCached

Moves & effects

What this card can do in play

Foul Gas

Flip a coin. If heads, the Defending Pokémon is now Poisoned; if tails, it is now Confused.

GrassGrass